RevenueCat Shipaton 2026 Online Ship apps and start making money. $425,000 in prizes Submissions open soon 1628 participants
Build with Gemini XPRIZE Featured Online $2,000,000 in prizes. Build with Gemini. Ship products that impact the world. $2,000,000 in prizes Aug 17, 2026 04:00 PM EDT to submit 16967 participants
Reddit’s Games with a Hook Hackathon Online Join Reddit and Phaser to build incredible games for the Reddit community! $40,000 in prizes Jul 15, 2026 09:00 PM EDT to submit 2026 participants
Slack Agent Builder Challenge Featured Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Jul 13, 2026 08:00 PM EDT to submit 3379 participants
H0: Hack the Zero Stack with Vercel v0 and AWS Databases Online Front-end in minutes. Back-end designed for scale. $80,000 in prizes Winners TBD 9778 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners TBD 14495 participants
Reddit Mod Tools and Migrated Apps Hackathon Online Join Reddit to build moderation tools for the Reddit community! $45,000 in prizes Winners announced 3103 participants
Build with MeDo Hackathon Online Build creative applications with MeDo, no coding required. Push the boundaries of what you can create. $50,000 in prizes Winners announced 8373 participants
Agents Assemble - The Healthcare AI Endgame Online Build Interoperable Healthcare Agents at the Intersection of MCP, A2A, and FHIR $25,000 in prizes Winners announced 4318 participants
GitLab AI Hackathon Online You Orchestrate. AI Accelerates. $65,000 in prizes Winners announced 6944 participants
Amazon Nova AI Hackathon Online Build your way with Amazon Nova $40,000 in prizes Winners announced 13422 participants
Gemini Live Agent Challenge Online Redefining Interaction: From Static Chatbots to Immersive Experiences $80,000 in prizes Winners announced 11853 participants
DeveloperWeek 2026 Hackathon San Jose, CA, USA Join the nation's largest challenge-driven in-person and online hackathon @ DeveloperWeek 2026! $23,000 in prizes Feb 2 – 20, 2026 1805 participants
RevenueCat Shipyard: Creator Contest Online Collaborate with creators to build their app in 1 month $165,000 in prizes Winners announced 7065 participants
The Reddit Daily Games Hackathon Online Join Reddit and GameMaker to build incredible daily games for the Reddit community! $40,000 in prizes Winners announced 2985 participants
Play Everywhere: The Build with Snap Games Lensathon Online Build a Game for Snapchat Using Lens Studio $30,000 in prizes Winners announced 1044 participants
Codegeist 2025: Atlassian Williams Racing Edition Online Accelerate innovation: Build on Forge, extend Jira, Confluence, Bitbucket, and more— win your share of $120K. $120,000 in prizes Winners announced 3512 participants
Kiroween Online Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode $100,000 in prizes Winners announced 4974 participants
Reddit and Kiro: Community Games Challenge Online Reddit and Kiro are hosting a virtual hackathon for the best community game! $45,000 in prizes Winners announced 1926 participants
AWS AI Agent Global Hackathon Online Agents of change - building tomorrows AI solution today $45,000 in prizes Winners announced 9470 participants
Fun and Games with Devvit Web Online Create a new game or experience for the Reddit community! $49,000 in prizes Winners announced 2608 participants
